| 11. | One main advantage of this design is that the moving structure does not include the radiation shielding mass.
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| 12. | This is contained in a spherical acrylic tank surrounded by 255 photomultiplier tubes and many layers of radiation shielding.
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| 13. | Studies of space radiation shielding should include tissue or water equivalent shielding along with the shielding material under study.
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| 14. | Even near ground zero, basement sheltering or buildings with similar radiation shielding characteristics would drastically reduce the radiation dose.
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| 15. | The compactness of the cyclotron reduces other costs as well, such as foundations, radiation shielding, and the enclosing building.
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| 16. | :Almost all the sci fi spaceships don't have anywhere near the radiation shielding required for 180 + day missions.
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| 17. | Unlike most subsequent nuclear reactors, it had no radiation shielding or cooling system as it only operated at very low power.
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| 18. | The overburden and structure provide substantial radiation shielding, and the negative pressure is usually only 1 / 3 of the overpressure.
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| 19. | Gamma radiation requires an appreciable amount of heavy metal radiation shielding ( usually lead or barium-based ) to reduce its intensity.
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| 20. | A conservative configuration weighing 2, 000 metric tons, 2 meters of cryogenic radiation shielding, and 5 Tesla magnets was also presented.
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